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  <title>Returns the forward matching keys</title>

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</div><hr /><div id="tokyotyrant.fwmkeys" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">TokyoTyrant::fwmKeys</h1>
  <p class="verinfo">(PECL tokyo_tyrant &gt;= 0.1.0)</p><p class="refpurpose"><span class="refname">TokyoTyrant::fwmKeys</span> &mdash; <span class="dc-title">Returns the forward matching keys</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-tokyotyrant.fwmkeys-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="type">array</span> <span class="methodname"><strong>TokyoTyrant::fwmKeys</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$prefix</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter">$max_recs</code></span>
   )</div>

  <p class="para rdfs-comment">
   Returns the forward matching keys from the database
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-tokyotyrant.fwmkeys-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">prefix</code></em></dt>

     <dd>

      <p class="para">
       Prefix of the keys
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">max_recs</code></em></dt>

     <dd>

      <p class="para">
       Maximum records to return
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-tokyotyrant.fwmkeys-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns an array of matching keys. The values are not returned
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-tokyotyrant.fwmkeys-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-2142">
    <p><strong>Example #1 <span class="methodname"><strong>TokyoTyrant::fwmKeys()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br />$tt&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">TokyoTyrant</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/*&nbsp;Create&nbsp;20&nbsp;macthing&nbsp;keys&nbsp;*/<br /></span><span style="color: #007700">for&nbsp;(</span><span style="color: #0000BB">$i&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">;&nbsp;</span><span style="color: #0000BB">$i&nbsp;</span><span style="color: #007700">&lt;&nbsp;</span><span style="color: #0000BB">20</span><span style="color: #007700">;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">++)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$tt</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">put</span><span style="color: #007700">(</span><span style="color: #DD0000">"key_"&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"value_"&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">/*&nbsp;Create&nbsp;20&nbsp;non-macthing&nbsp;keys&nbsp;*/<br /></span><span style="color: #007700">for&nbsp;(</span><span style="color: #0000BB">$i&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">;&nbsp;</span><span style="color: #0000BB">$i&nbsp;</span><span style="color: #007700">&lt;&nbsp;</span><span style="color: #0000BB">20</span><span style="color: #007700">;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">++)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$tt</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">put</span><span style="color: #007700">(</span><span style="color: #DD0000">"something_"&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"data_"&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">/*&nbsp;Get&nbsp;five&nbsp;matching&nbsp;keys&nbsp;*/<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$tt</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">fwmKeys</span><span style="color: #007700">(</span><span style="color: #DD0000">"key_"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">5</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程的输出类似于：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
array(5) {
  [0]=&gt;
  string(5) &quot;key_5&quot;
  [1]=&gt;
  string(6) &quot;key_14&quot;
  [2]=&gt;
  string(5) &quot;key_6&quot;
  [3]=&gt;
  string(6) &quot;key_15&quot;
  [4]=&gt;
  string(5) &quot;key_7&quot;
}
</pre></div>
    </div>
   </div>
  </p>
 </div>


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